(Ruby) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

imap = Chilkat::CkImap.new()

# Connect to an IMAP server.
# Use TLS
imap.put_Ssl(true)
imap.put_Port(993)
success = imap.Connect("imap.someMailServer.com")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Login
success = imap.Login("admin@chilkatsoft.com","myPassword")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

fetchUids = true

# Find emails marked as seen or not already seen:
seenSearch = "SEEN"
notSeenSearch = "NOT SEEN"

# Get the set of unseen message UIDs
# messageSet is a CkMessageSet
messageSet = imap.Search(notSeenSearch,fetchUids)
if (imap.get_LastMethodSuccess() == false)
    print imap.lastErrorText() + "\n";
    exit
end

# Fetch the unseen emails into a bundle object:

# bundle is a CkEmailBundle
bundle = imap.FetchBundle(messageSet)
if (imap.get_LastMethodSuccess() == false)

    print imap.lastErrorText() + "\n";
    exit
end

# Display the Subject and From of each email.
i = 0
numEmails = bundle.get_MessageCount()
while i < numEmails
    # email is a CkEmail
    email = bundle.GetEmail(i)

    print email.getHeaderField("Date") + "\n";
    print email.subject() + "\n";
    print email.ck_from() + "\n";
    print "--" + "\n";

    i = i + 1
end

# Disconnect from the IMAP server.
success = imap.Disconnect()